 |
| |||
| agua a presión | |||
| água sob pressão: 10 phrases in 10 subjects |
| Chemistry | 1 |
| Coal | 1 |
| Construction | 1 |
| Electronics | 1 |
| General | 1 |
| Industry | 1 |
| Mechanic engineering | 1 |
| Metallurgy | 1 |
| Nuclear physics | 1 |
| Technology | 1 |
|
| |||
| agua a presión | |||
| água sob pressão: 10 phrases in 10 subjects |
| Chemistry | 1 |
| Coal | 1 |
| Construction | 1 |
| Electronics | 1 |
| General | 1 |
| Industry | 1 |
| Mechanic engineering | 1 |
| Metallurgy | 1 |
| Nuclear physics | 1 |
| Technology | 1 |